Home / 8,045.89-12,072.16-4,343.76

Finding the Fourth Proportional to 8,045.89, 12,072.16 and 4,343.76

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Solution

The fourth proportional to 8,045.89, 12,072.16 and 4,343.76 is: 6,517.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.89 : 12,072.16 = 4,343.76 : x
  2. Step 2: Convert to fraction form
    8,045.89/12,072.16 = 4,343.76/x
  3. Step 3: Cross multiply
    8,045.89x = 12,072.16 × 4,343.76
  4. Step 4: Simplify right side
    8,045.89x = 52,438,634.30
  5. Step 5: Solve for x
    x = 52,438,634.30/8,045.89
  6. Step 6: Final answer
    x = 6,517.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.